The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
A comet's tail always points away from the sun.
2
Astronauts get taller when they are in space.
224
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
Only 55% of Americans know that the sun is a star.
986
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121